There were 4K TVs all over CES, but there is still a lack of 4K content available. Considerably more bandwidth is required to stream 4K video online, which is a challenge Akamai says it's working to solve.

Google has taken its first step to flag ordinary sites like Wikipedia and CNN with a security warning because they are unencrypted, allowing all data transmissions to be viewed by the prying eyes of hackers or governments.